Programming Examples - Mitsubishi Electric FR-A820-00046 Instruction Manual

Ethernet communication (FR-A800-E)
5.22.4

Programming examples

This section provides programming examples for controlling the inverter with sequence programs.
Item
Reading the inverter status
Setting the operation mode
Setting the operation commands
Setting the monitoring function
Reading a parameter value
Writing a parameter value
Setting the running frequency
(running speed)
Reading the fault records
Inverter reset
● System configuration for programming examples (when the MELSEC iQ-R series programmable
controller is used)
Fig. 5-390:
● In the programming examples, network parameters of the master station are set as below.
Item
Start I/O No.
Type
All connect count
Remote input (RX)
Remote output (RY)
Remote register (RWr)
Remote register (RWw)
Retry count
Tab. 5-412: Network parameters of the master station
5 - 822
Program example
Reading the inverter status from the buffer memory of the master station
Selecting the Network operation mode
Commanding the forward rotation and middle speed signals
Monitoring the output frequency
Reading the value of Pr. 7 "Acceleration time"
Setting "3.0 s" in Pr. 7 "Acceleration time"
Setting to 50.00 Hz
Reading the inverter faults
Perform inverter reset at an inverter alarm occurrence.
Power
PLC
supply
R61P
Hub
(station No. 1)
CC-Link IE Field Network Basic with one PLC and two inverters
CPU Input module
R04CPU RX40C7
(X20 to X2F)
Inverter
Pr. 544 = 0
Setting conditions
0000
Master
2
X1000
Y1000
W0
W100
3
Parameters
Refer to
Output module
RY40PT5P
(Y30 to Y3F)
Inverter
(station No. 2)
Pr. 544 = 0
page
5-824
5-825
5-826
5-826
5-827
5-828
5-829
5-830
5-830
I003125E